<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style>
    h1{
      color: red;
      color: #00ff00;
      color: #ff0;
      color: rgb(0,0,255);
      color: rgba(255,110,0,0.5);
    }
    div{
      width:500px;
      height: 500px;
      background-image: url("../day05/b.jpg");
      background-size: auto;
      background-repeat: no-repeat;
      background-position: 100%,100%;

    }
  </style>
</head>
<body>
<div></div>
<h1>颜色测试</h1>
</body>
</html>